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The 4th TDAMM Workshop

We are pleased to announce the 4th TDAMM Workshop to be held October 27-30, 2025 in Huntsville, Alabama. Location: Embassy Suites by Hilton

Workshop Information about The 4th TDAMM Workshop

Location

Huntsville, Alabama

Dates

27-30 October 2025 

Community

TDAMM SIG

Type

Workshop

NASA's new Astrophysics Cross-Observatory Science Support (ACROSS) initiative is organizing the 4th Time Domain and Multi-Messenger Astrophysics (TDAMM) Workshop.  This workshop will focus on developing community observing plans to enable the rapid and coordinated follow-up of explosive transients by space-based and ground-based observatories. NASA invites US and international members of the ground and space science communities to attend the workshop and contribute to its final product, a publicly available white paper with findings for relevant agencies and the broader astrophysics community.

For future information join the Time Domain Astronomy Slack

Sponsors: NASA, NSF, USRA, UAH, PhysCOS, ACROSS

Advancing Community Observing Plans for Rapid Follow-Up of Explosive Transients

Monday, October 27, 2025

TimePresentationsRecordings
Welcome
8:00 AMRegistration
8:45 AMRaffaella Margutti, Michael Coughlin, Cori FletcherWelcome & Logistics

Workshop Overview & Goals		[MP4]
Program Updates
9:00 AMJustin VandenbrouckeIceCube[MP4]
9:18 AMIgor AndreoniRubin[MP4]
9:36 AMEric BurnsIPN[MP4]
9:54 AMMichael CoughlinBroker / Marshall Overview[MP4]
10:12 AMPeter ShawhanLVK[MP4]
Coffee Break
Mission Updates
11:00 AMJamie KenneaSwift[MP4]
11:18 AMAdam GoldsteinFermi GBM[MP4]
11:36 AMRyan LauRoman[MP4]
11:54 AMJan-Uwe NessEinstein Probe[MP4]
12:12 AMJean-Luc AtteiaSVOM[MP4]
Lunch
Gamma-ray Bursts
2:00 PMBrendan O’ConnorOverview[MP4]
2:30 PMYuhan Yao, Fabio DeColleObserving Plans[MP4]
3:00 PMOre Gottlieb, Genevieve Schroeder, Tanmoy Laskar, Anna Ho, Eric BurnsPanel Discussion
Coffee Break
X-ray Binaries
4:00 PMDave RusselOverview[MP4]
4:30 PMJoe BrightObserving Plans[MP4]
5:00 PMPayaswini Saikia, Tom Maccarone, Richard Plotkin, Dave Russel, Andrew Mummery, Joe BrightPanel Discussion

Tuesday, October 28, 2025

TimePresentationsRecordings
Neutrinos
9:00 AMAli KheirandishOverview[MP4]
9:30 AMAnna FranckowiakObserving Plans[MP4]
10:00 AMAlec Habig, Ali Kheirandish, Robert Stein, Justin VandenbrouckePanel Discussion
Coffee Break
Compact Binary Mergers
11:00 AMDavid RadiceOverview[MP4]
11:30 AMKate AlexanderObserving Plans[MP4]
12:00 PMKelsey Lund, Antonella Palmese, Dave Sand, Francois Foucart, Alessandra CorsiPanel Discussion
Lunch
Infrastructure
2:00 PMJamie KenneaACROSS[MP4]
2:18 PMCourey ElliotGCN[MP4]
2:36 PMAndy HowellSCIMMA[MP4]
2:54 PMRachel StreetTOMs Overview[MP4]
3:12 PMNoah FranzTROVE[MP4]
3:30 PMAlec HabigSNEWS[MP4]
3:50 PMGroup Photo - Space & Rocket Center[PDF] [JPG]
6:00 PMBanquet - Space & Rocket Center[PDF]

Wednesday, October 29, 2025

TimePresentationsRecordings
TDEs
9:00 AMXiaoshan HuangOverview[MP4]
9:30 AMErica Hammerstein, Brenna MocklerObserving Plans[MP4]
10:00 AMNick Stone, Jean Somalwar, Brad Cenko, Robert Stein, Erica HammersteinPanel Discussion
Coffee Break
Magnetars
11:00 AMChin-Ping HuObservational Overview[MP4]
11:20 AMZorawar WadiasinghTheory Overview[MP4]
11:40 AMMatthew BaringObserving Plans[MP4]
12:00 PMZorawar Wadiasingh, Chin-Ping Hu, Raymond Frey, Kaustubh RajwadPanel Discussion
Lunch
Novae
2:00 PMElias AydiOverview[MP4]
2:30 PMKim PageObserving Plans[MP4]
3:00 PMKirill Sokolovsky, Rebekah Hounsell, Ashley Pagnotta, Marina Orio, Jan‑Uwe NessPanel Discussion
Coffee Break
Supernovae
4:00 PMDave SandOverview[MP4]
4:30 PMAnna Ho, Carla FrohlichObserving Plans[MP4]
5:00 PMChris Fryer, Nayana AJ, Wynn Jacobson-Galan, Itai SfaradiPanel Discussion

Thursday, October 30, 2025

TimePresentationsRecordings
Observing Plan Policy
9:00 AMTyler PritchardObserving Plan Infrastructure[MP4]
9:30 AMTyler PritchardFunding Solicitations[MP4]
10:00 AMTBDStakeholder Discussion
Coffee Break
Closing Session
11:00 AMRaffaella Margutti, Michael CoughlinWhite Papers & Path Forward
11:30 AMRaffaella Margutti, Michael CoughlinConcluding Remarks
*italicized = virtual attendance

Posters

Poster TitlePDF
ObjObsSAP: A Standard Protocol for Coordinated Multi-Messenger ObservationsAitor Ibarra[PDF]
The most luminous FBOT AT2024wpp: unprecedented evolution in the X-rays and radioNayana AJ[PDF]
X-ray Emission Signatures of Neutron Star MergersConnery J. Chen, Yihan Wang and Bing Zhang[PDF]
HEROIC: A Realtime Observatory Coordination SystemC. McCully, D. A. Howell, J. Nation, F. Arenada-Baltierra, G. Narayan, A. Brazier, C. Hanna[PDF]
THESEUS, Transient High Energy Sky and Early Universe SurveyorE. Bozzo[PNG]
New Discovery for the Nature of Neutrinos and a Description of the Their StructureGh. Saleh[PDF]
7-Dimensional Telescope (7DT): Robotic telescope with rapid ToO capabilityHyeonho Choi, Myungshin Im, Ji hoon Kim, Donggeun Tak[PDF]
Relativistic energy exchange between
a polytrope and a Wyman IIa fluid		Jorge Gallegos, Domenica Quizhpe, Julio Andrade, Marlon Moscoso-Mart´ınez[PDF]
Modelling Tellurium Emission from Late Stage KilonovaePatrick Flint, Connor Ballance, Steven Bromley, Niamh Ferguson, Evan Garbe, Niall McElroy, Leo Mulholland, Catherine Ramsbottom, Phillip Stancil, Stuart Loch[PDF]
Transients in Physica ProximaRoberto Guenzani[PDF]
Probing Gamma-Ray Burst Prompt Emission Mechanisms through
Spectro-Polarimetric Observations with Fermi and AstroSat		Rahul Gupta, Tanmoy Chattopadhyay, Judith Racusin, Shabnam Iyyani, V. Sharma + AstroSat CZTI team[PDF]
Multi-band Emission from Star-disk Collision and Implications to Quasi-Periodic EruptionsXiaoshan Huang, Itai Linial, Yan-fei Jiang[PDF]

Science Organizing Committee

  • Michael Coughlin (University of Minnesota)  - chair 
  • Raffaella Margutti (University of California, Berkeley) - chair
  • Daniel Kocevski (NASA MSFC) - chair
  • Christopher Fryer (Los Alamos National Laboratory)  - chair
  • Jamie Kennea (PSU/ACROSS) - chair
  • Eric Burns (LSU/ACROSS)
  • George Younes (NASA-GSFC/UMBC/CRESST-II)
  • Kate Alexander (University of Arizona) 
  • Elias Aydi (Texas Tech University) 
  • Matthew Baring (Rice University) 
  • Sanjana Curtis (Oregon State University) 
  • Fabio DeColle (Instituto de Ciencias Nucleares)
  • Anna Franckowiak (Ruhr-Universität Bochum) 
  • Carla Frohlich (North Carolina State University) 
  • Erica Hammerstein (University of California, Berkeley)
  • Anna Ho (Cornell University) 
  • Cole Miller (University of Maryland) 
  • Brenna Mockler (Carnegie Observatories) 
  • Kim Page (University of Leicester) 
  • Yuhan Yao (University of California, Berkeley)
  • Michela Negro (Louisiana State University)
  • Joe Bright (University of Oxford)

Local Organizing Committee

  • Cori Fletcher (USRA)
  • Adam Goldstein (USRA) 
  • Michelle Hui (NASA MSFC/ACROSS)
  • Daniel Kocevski (NASA MSFC/ACROSS)
  • Brian Humensky (NASA GSFC/ACROSS)
  • Peter Veres (UAH)
  • Chris Roberts (NASA GSFC/ACROSS)
  • Tyler Pritchard (NASA GSFC/ACROSS) 

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